Dell EqualLogic PS4000 Hardware Maintenance

Also see for EqualLogic PS4000: Configuration guide Hardware Quick reference guide Instructions Installation and setup manual

Contents

Dell EqualLogic PS4000 Hardware Maintenance Manual pdf 26 page image

PS4000 Hardware Maintenance Maintaining Control Modules3–2module. If the active control module fails, the secondary will take over networkoperations.Do not mix control module types in an array. Always make sure both controlmodules are the same type and color. See the latest PS Series Release Notes forinformation about other supported control modules.Interpreting Control Module LEDsControl modules have the following LEDs:• On the left side of each control module, three LEDs enable you to determinethe control module status and whether the control module is active orsecondary. See Figure 3-1 and Figure 3-2.• Each Ethernet port has two LEDs that show the network interface status. SeeFigure 3-1 and Figure 3-2.Control module LEDs are described in Table 3-1. Ethernet port LEDs aredescribed in Table 3-2.Table 3-1: Control Module LED DescriptionsLED Location Color DescriptionACT LED Off No power, secondary control module is notsynchronized with active control module, or errorcondition.Green Active control module (serving network I/O).Orange Secondary control module. Cache is synchronizedwith active control module.ERR LED Off Normal operation or no power.Red Array is starting up or error condition.PWR LED Off No power.Green Power.